---> uname -a: Linux 0add8f210c65 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.436 BogoMIPS: 5866.87 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Available Use% Mounted on overlay 50.0G 7.3G 42.7G 15% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_master /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_master@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 727 88 0 1022 1048 Swap: 1023 2 1021 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 24: eth0@if25: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 01/23/20 _x86_64_ (4 CPU) 16:18:14 LINUX RESTART 16:19:01 tps rtps wtps bread/s bwrtn/s 16:20:01 10.34 0.03 10.31 1.07 1857.12 16:21:01 2.51 0.00 2.51 0.00 77.62 16:22:01 0.60 0.00 0.60 0.00 6.98 16:23:01 0.63 0.00 0.63 0.00 8.91 16:24:01 0.68 0.00 0.68 0.00 8.78 16:25:01 0.45 0.00 0.45 0.00 7.20 16:26:01 0.18 0.00 0.18 0.00 1.90 16:27:01 0.28 0.00 0.28 0.00 3.08 16:28:01 0.28 0.00 0.28 0.00 3.78 16:29:01 0.30 0.00 0.30 0.00 3.40 16:30:01 0.32 0.00 0.32 0.00 3.23 16:31:02 0.25 0.00 0.25 0.00 3.06 16:32:01 0.24 0.00 0.24 0.00 2.90 16:33:01 34.40 4.36 30.04 331.72 15446.11 16:34:01 236.92 140.10 96.82 5524.09 17435.14 16:35:01 257.23 101.36 155.87 5584.57 38701.40 Average: 34.17 15.39 18.77 716.45 4606.80 16:19:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:01 107712 1774592 94.28 2620 1228632 936400 31.95 427128 1189672 16 16:21:01 109140 1773164 94.20 2620 1228636 914812 31.21 427044 1188824 8 16:22:01 108196 1774108 94.25 2620 1228644 915060 31.22 427908 1188824 16 16:23:01 108628 1773676 94.23 2620 1228644 915044 31.22 427604 1188756 8 16:24:01 108756 1773548 94.22 2620 1228652 915056 31.22 427596 1188756 8 16:25:01 110452 1771852 94.13 2620 1228656 904728 30.87 426672 1188448 12 16:26:01 118728 1763576 93.69 2620 1228660 904728 30.87 418228 1188320 8 16:27:01 117892 1764412 93.74 2620 1228664 904896 30.87 419088 1188316 16 16:28:01 118688 1763616 93.69 2620 1228672 904728 30.87 418348 1188316 16 16:29:01 128024 1754280 93.20 2620 1228680 904800 30.87 408880 1188308 12 16:30:01 128468 1753836 93.17 2620 1228680 904776 30.87 408744 1188308 12 16:31:02 128268 1754036 93.19 2620 1228688 904728 30.87 408644 1188308 8 16:32:01 127456 1754848 93.23 2620 1228692 904896 30.87 409516 1188308 12 16:33:01 72688 1809616 96.14 2620 1216364 1105552 37.72 540668 1096404 58580 16:34:01 346792 1535512 81.58 2620 943092 1013660 34.59 495992 858604 13760 16:35:01 77940 1804364 95.86 2448 1081728 1155700 39.43 635364 885956 89372 Average: 126114 1756190 93.30 2609 1200862 944348 32.22 445464 1143277 10117 16:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:20:01 eth0 5.35 1.75 1.81 1.23 0.00 0.00 0.00 16:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:21:01 eth0 2.43 0.32 0.38 0.23 0.00 0.00 0.00 16:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:22:01 eth0 3.91 0.78 0.98 0.56 0.00 0.00 0.00 16:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:23:01 eth0 1.03 0.55 0.54 0.40 0.00 0.00 0.00 16:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:24:01 eth0 0.87 0.48 0.41 0.30 0.00 0.00 0.00 16:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:25:01 eth0 0.32 0.08 0.02 0.01 0.00 0.00 0.00 16:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:01 eth0 0.70 0.08 0.06 0.01 0.00 0.00 0.00 16:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 eth0 0.53 0.38 0.27 0.20 0.00 0.00 0.00 16:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 16:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:29:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 16:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 eth0 0.22 0.15 0.07 0.01 0.00 0.00 0.00 16:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:31:02 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 16:31:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:31:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:32:01 eth0 0.56 0.42 0.31 0.21 0.00 0.00 0.00 16:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:33:01 eth0 123.85 99.92 3466.51 10.33 0.00 0.00 0.00 16:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:34:01 eth0 354.49 279.19 1409.17 87.85 0.00 0.00 0.00 16:34:01 veth30a10dc 0.02 0.12 0.00 0.01 0.00 0.00 0.00 16:34:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 16:34:01 docker0 205.16 250.19 15.07 1213.65 0.00 0.00 0.00 16:35:01 eth0 325.57 265.78 5826.42 105.49 0.00 0.00 0.00 16:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:35:01 docker0 31.51 32.67 1.78 221.58 0.00 0.00 0.00 Average: eth0 51.35 40.71 670.44 12.96 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 14.74 17.64 1.04 89.67 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 01/23/20 _x86_64_ (4 CPU) 16:18:14 LINUX RESTART 16:19:01 CPU %user %nice %system %iowait %steal %idle 16:20:01 all 0.22 0.00 0.09 0.00 0.16 99.53 16:20:01 0 0.13 0.00 0.12 0.00 0.12 99.63 16:20:01 1 0.50 0.00 0.05 0.00 0.07 99.38 16:20:01 2 0.12 0.00 0.08 0.00 0.23 99.57 16:20:01 3 0.13 0.00 0.12 0.00 0.25 99.50 16:21:01 all 0.16 0.00 0.05 0.00 0.11 99.68 16:21:01 0 0.02 0.00 0.03 0.00 0.05 99.90 16:21:01 1 0.48 0.00 0.07 0.00 0.15 99.30 16:21:01 2 0.07 0.00 0.03 0.00 0.12 99.78 16:21:01 3 0.07 0.00 0.08 0.00 0.13 99.72 16:22:01 all 0.17 0.00 0.05 0.00 0.08 99.69 16:22:01 0 0.05 0.00 0.02 0.00 0.03 99.90 16:22:01 1 0.47 0.00 0.03 0.00 0.03 99.47 16:22:01 2 0.10 0.00 0.08 0.00 0.18 99.63 16:22:01 3 0.10 0.00 0.05 0.00 0.07 99.78 16:23:01 all 0.19 0.00 0.05 0.00 0.01 99.75 16:23:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:23:01 1 0.52 0.00 0.05 0.00 0.00 99.43 16:23:01 2 0.10 0.00 0.05 0.00 0.03 99.82 16:23:01 3 0.13 0.00 0.05 0.00 0.03 99.78 16:24:01 all 0.19 0.00 0.04 0.00 0.01 99.76 16:24:01 0 0.07 0.00 0.05 0.00 0.02 99.87 16:24:01 1 0.55 0.00 0.03 0.00 0.02 99.40 16:24:01 2 0.05 0.00 0.05 0.00 0.02 99.88 16:24:01 3 0.05 0.00 0.05 0.00 0.00 99.90 16:25:01 all 0.18 0.00 0.03 0.00 0.01 99.78 16:25:01 0 0.05 0.00 0.03 0.00 0.00 99.92 16:25:01 1 0.08 0.00 0.02 0.00 0.02 99.88 16:25:01 2 0.32 0.00 0.05 0.00 0.00 99.63 16:25:01 3 0.27 0.00 0.02 0.00 0.02 99.70 16:26:01 all 0.17 0.00 0.03 0.00 0.03 99.77 16:26:01 0 0.07 0.00 0.03 0.00 0.03 99.87 16:26:01 1 0.05 0.00 0.03 0.00 0.05 99.87 16:26:01 2 0.03 0.00 0.02 0.00 0.03 99.92 16:26:01 3 0.50 0.00 0.05 0.00 0.03 99.42 16:27:01 all 0.18 0.00 0.04 0.00 0.01 99.77 16:27:01 0 0.08 0.00 0.05 0.00 0.00 99.87 16:27:01 1 0.10 0.00 0.03 0.00 0.00 99.87 16:27:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:27:01 3 0.47 0.00 0.07 0.00 0.03 99.43 16:28:01 all 0.15 0.00 0.03 0.00 0.04 99.77 16:28:01 0 0.02 0.00 0.02 0.00 0.02 99.95 16:28:01 1 0.30 0.00 0.03 0.00 0.05 99.62 16:28:01 2 0.08 0.00 0.05 0.00 0.07 99.80 16:28:01 3 0.23 0.00 0.05 0.00 0.05 99.67 16:29:01 all 0.09 0.00 0.05 0.00 0.03 99.84 16:29:01 0 0.03 0.00 0.02 0.00 0.03 99.92 16:29:01 1 0.08 0.00 0.02 0.00 0.02 99.88 16:29:01 2 0.08 0.00 0.05 0.00 0.02 99.85 16:29:01 3 0.15 0.00 0.08 0.00 0.05 99.72 16:30:01 all 0.10 0.00 0.04 0.00 0.03 99.83 16:30:01 0 0.20 0.00 0.02 0.00 0.02 99.77 16:30:01 1 0.05 0.00 0.05 0.00 0.00 99.90 16:30:01 2 0.07 0.00 0.02 0.00 0.07 99.85 16:30:01 3 0.08 0.00 0.05 0.00 0.02 99.85 16:31:02 all 0.16 0.00 0.04 0.00 0.04 99.76 16:31:02 0 0.43 0.00 0.00 0.00 0.05 99.52 16:31:02 1 0.10 0.00 0.03 0.00 0.03 99.83 16:31:02 2 0.07 0.00 0.07 0.00 0.07 99.80 16:31:02 3 0.05 0.00 0.03 0.00 0.02 99.90 16:32:01 all 0.17 0.00 0.03 0.00 0.02 99.77 16:32:01 0 0.47 0.00 0.03 0.00 0.00 99.49 16:32:01 1 0.07 0.00 0.05 0.00 0.03 99.85 16:32:01 2 0.10 0.00 0.03 0.00 0.02 99.85 16:32:01 3 0.05 0.00 0.02 0.00 0.03 99.90 16:33:01 all 3.44 0.00 1.71 0.10 0.53 94.23 16:33:01 0 3.47 0.00 1.66 0.05 0.52 94.29 16:33:01 1 3.10 0.00 1.64 0.25 0.49 94.52 16:33:01 2 3.66 0.00 1.78 0.05 0.54 93.98 16:33:01 3 3.51 0.00 1.80 0.05 0.59 94.05 16:34:01 all 16.19 0.00 6.54 2.63 1.38 73.27 16:34:01 0 13.23 0.00 7.20 2.39 1.32 75.86 16:34:01 1 17.80 0.00 6.08 1.35 1.43 73.33 16:34:01 2 15.97 0.00 6.07 3.04 1.40 73.51 16:34:01 3 17.73 0.00 6.82 3.72 1.35 70.37 16:35:01 all 13.64 0.00 7.31 1.87 1.05 76.13 16:35:01 0 12.86 0.00 7.27 0.87 0.98 78.02 16:35:01 1 12.78 0.00 7.56 1.70 1.07 76.89 16:35:01 2 16.25 0.00 8.28 2.19 1.08 72.21 16:35:01 3 12.66 0.00 6.13 2.70 1.09 77.42 Average: all 2.17 0.00 0.99 0.28 0.22 96.33 Average: 0 1.92 0.00 1.02 0.20 0.20 96.67 Average: 1 2.28 0.00 0.97 0.20 0.21 96.33 Average: 2 2.28 0.00 1.03 0.32 0.24 96.13 Average: 3 2.22 0.00 0.95 0.40 0.23 96.20